Curtain rail



FIG. 1 is a front and top perspective view of a curtain rail showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a rear and bottom perspective view thereof;

FIG. 9 is an enlarged view of the portion “9” encircled in FIG. 1; and,

FIG. 10 is a front and top perspective view of the curtain rail of FIG. 1 shown in an environment of use.

The break lines shown in FIGS. 1-4, 6-8, and 10 symbolize breaks in the length of the article in which the claimed design is embodied. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a curtain rail, as shown and described. 